A national business magazine reports that the mean age of retirement for women executives is 63.2. A women’s rights organization believes that this value does not accurately depict the current trend in retirement. To test this, the group polled a simple random sample of 79 recently retired women executives and found that they had a mean age of retirement of 62.5. Assuming the population standard deviation is 3.3 years, is there sufficient evidence to support the organization’s belief at the 0.10 level of significance? Step 1 of 3 : State the null and alternative hypotheses for the test. Choose one option below H0: μ=63.2 HA:μ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯63.2 A.≠ B.< C.> step 2 of 3: compute the value of the test statistic.Round two decimals places

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A national business magazine reports that the mean age of retirement for women executives is 63.2. A women’s rights organization believes that this value does not accurately depict the current trend in retirement. To test this, the group polled a simple random sample of 79 recently retired women executives and found that they had a mean age of retirement of 62.5. Assuming the population standard deviation is 3.3 years, is there sufficient evidence to support the organization’s belief at the 0.10 level of significance?
Step 1 of 3 :  
State the null and alternative hypotheses for the test. Choose one option below
H0: μ=63.2
HA:μ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯63.2

 A.≠
 B.<
 C.>

 step 2 of 3: compute the value of the test statistic.Round two decimals places

 

 

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